9145results about "Printing" patented technology

The invention discloses an online detection system and method based on ink-jet printing, and relates to the technical field of ink-jet printing, and the method comprises the steps: collecting the operation state data of ink-jet printing in real time, and transmitting the data to a deep learning model; predicting the track, drop point and shape change of the ink droplet through a deep learning model in combination with a fluid dynamics principle, generating a prediction result, and providing positioning information of an ink jet area; inputting the multispectral data into a convolutional neural network model, identifying color deviation and defect types in combination with a prediction result, and generating corresponding correction parameters; the correction parameters are transmitted to ink jet control equipment, and the jet parameters of the nozzle are adjusted in real time; according to the invention, the information of the boundary, the central point, the area, the coverage rate and the offset of the ink jet area is generated in real time, and a high-precision positioning basis is provided for subsequent multispectral detection and defect correction, so that efficient and accurate online detection and ink jet quality control are realized.

The invention belongs to the technical field of OLED ink-jet printing, and discloses an OLED nozzle driving waveform regulation and control method, device and equipment and a storage medium, and the method comprises the steps: obtaining the structure parameters of an OLED nozzle and the physical and chemical parameters of ink, constructing a theoretical dynamic model about the driving voltage and the ink droplet jet volume based on the electroacoustic analogy theory, and calculating the driving waveform of the OLED nozzle according to the theoretical dynamic model; and constructing a voltage duration influence function, an ink droplet volume correction coefficient and an ink droplet steady-state speed function to optimize the theoretical dynamic model to obtain an ink droplet ejection theory-data hybrid model, and calculating to obtain a predicted ink droplet ejection volume according to a real-time driving waveform. Establishing a corresponding model prediction algorithm cost function and a driving waveform constraint condition so as to regulate and control the real-time driving waveform in real time; the driving waveform of the OLED nozzle is regulated and controlled through the ink droplet jetting theory-data mixing model, the model prediction algorithm cost function and the driving waveform constraint condition, and the printing precision and efficiency are improved.

The invention discloses an ink jet control method, an ink supply system, a storage medium and a computer program product, and relates to the technical field of ink jet printing. By designing an ink supply system with layered multi-stage ink paths and designing an ink-jet control method integrating pump control, pneumatic control and valve control, the pressure difference between branch lines branched from the same main ink path is reduced, the ink supply pressure at a nozzle inlet is ensured to be uniform, and the control precision and the response speed of the ink supply system are improved. Therefore, the stability and uniformity of multi-nozzle large-size ink-jet printing are improved, and the jetted ink droplets approach to an ideal state as much as possible.

The invention relates to the technical field of UV printing, and discloses an intelligent scheduling method and system for UV printing nozzles based on multi-objective optimization, and the method comprises the steps: collecting the real-time state data of a physical UV printing system, and forming a state data set; establishing a digital twinborn model at the edge computing node; scheduling simulation is carried out by adopting an improved ant colony algorithm, and a scheduling scheme is generated through path search of virtual ants; the scheduling scheme is applied to a physical system, feedback data are collected, a physical mathematical bidirectional feedback system is constructed, and hierarchical pheromones of edge nodes and a cloud end are cooperatively updated; each UV printing nozzle autonomously calculates a multi-objective optimization function value, and an optimal working strategy is selected; according to the method, a completely distributed self-organizing scheduling architecture is adopted, so that the single-point fault problem and the expansibility limitation of traditional centralized scheduling are effectively solved.

The invention discloses an actuator structure and a liquid spraying device comprising the same, the actuator structure comprises a vibrating membrane, a piezoelectric material, a lower electrode and an upper electrode, the top surface and the bottom surface of the piezoelectric material are respectively connected to the upper electrode and the lower electrode, the vibrating membrane is connected to the bottom surface of the lower electrode, and the upper electrode is connected to the bottom surface of the piezoelectric material. The piezoelectric material is a single crystal piezoelectric film material. The liquid spraying device comprises the actuator structure. According to the actuator structure and the liquid spraying device comprising the actuator structure, the piezoelectric material is processed and manufactured by using the single crystal piezoelectric film material, so that the single crystal piezoelectric film material can be processed by using a wet etching technology, the problems in a dry etching process are effectively avoided, the preparation precision of the actuator structure is ensured, and the manufacturing cost of the actuator structure is reduced. The stability of the actuator structure is improved, and the manufacturing cost of the actuator structure is reduced.

The invention discloses a printer nozzle real-time vertical calibration method and device based on the visual technology and a storage medium, and relates to the technical field of printers, a camera module collects a calibration plate image, establishes a coordinate mapping relation, prints a calibration pattern and identifies a pixel position, and dynamically adjusts nozzle parameters after converting the calibration pattern into a physical offset. According to the method, automatic high-precision calibration is achieved, meanwhile, the laser displacement sensor and the fuzzy PID controller are combined, the calibration precision and stability are improved, environment compensation, vibration suppression and multi-camera cooperation strategies are introduced, the calibration reliability is ensured, the method is slightly influenced by human factors, the calibration precision and efficiency are improved, errors are reduced, and the printing quality is improved.

The invention discloses a preparation method of a vertical comb-driven MEMS (Micro Electro Mechanical System) micromirror, which comprises the following steps of: forming a through alignment mark and a pre-etched comb structure on a device layer by using a first composite mask, and forming the through alignment mark and the pre-etched comb structure on the back surface of the device layer on a first substrate through a composite mask process, after the first substrate and the second substrate are bonded, the self-alignment composite mask of the comb tooth structure is aligned with the back face pre-etched comb tooth structure through the through alignment mark, high-precision alignment of the comb tooth structure is achieved, accumulated errors are avoided, and the yield of device preparation is improved.

A liquid ejecting head includes: a piezoelectric element that includes a first drive electrode, a piezoelectric body, and a second drive electrode in a lamination direction; a vibration plate that is provided on one side of the lamination direction with respect to the piezoelectric element and is deformed by driving of the piezoelectric element; a pressure chamber substrate that is provided on the one side of the lamination direction with respect to the vibration plate and is provided with a plurality of pressure chambers; an interlayer that is laminated on at least one of the piezoelectric body, the vibration plate, or the pressure chamber substrate and of which capacitance changes according to humidity; a first detection electrode that is in contact with the interlayer; and a second detection electrode that is in contact with the interlayer and is disposed to be separated from the first detection electrode.

The invention relates to the technical field of ink-jet printing, and discloses a nozzle driving method, system and device and a storage medium, and the method comprises the steps: generating a digital waveform signal based on a printing demand, and converting the digital waveform signal into an analog voltage waveform through a digital-to-analog conversion module; performing waveform configuration on the analog voltage waveform through an analog switch matrix to generate a target analog waveform; controlling a high-voltage amplification circuit to boost and amplify the target analog waveform to output an initial driving level; driving a nozzle to jet ink droplets based on the initial driving level, and collecting ink droplet state parameters by using an ink droplet monitoring module; comparing the ink droplet state parameters with a preset target value to obtain a comparison result, and generating an adjustment parameter set according to the comparison result; optimizing the initial driving level generation process based on the adjustment parameter set to obtain an optimized driving level; according to the invention, through a closed-loop control process, the problem of poor driving signal adaptability caused by existing open-loop control is effectively solved.

The invention relates to the technical field of thermal printing head manufacturing, in particular to a high-energy-impact-resistant heating substrate for a thermal printing head and a manufacturing method of the high-energy-impact-resistant heating substrate, and the high-energy-impact-resistant heating substrate can improve the energy impact resistance of a product. A lower-layer electrode wire and an upper-layer electrode wire are arranged in the high-energy-impact-resistant electrode wire section, the lower-layer electrode wire is made of hafnium-rhenium HfRe alloy, the thickness range of the lower-layer electrode wire is 0.1-2.0 microns, the content of hafnium Hf in the lower-layer electrode wire accounts for 10% or below of the total mass percentage, the upper-layer electrode wire is made of hafnium-iridium alloy, and the thickness range of the upper-layer electrode wire is 0.1-2.0 microns. The upper-layer electrode wire is located on the surface of the lower-layer electrode wire, the thickness range of the upper-layer electrode wire is 0.05-0.2 mu m, and the content of hafnium Hf in the lower-layer electrode wire accounts for 10% or below of the total mass percentage.

The invention discloses a method and equipment for constant temperature control of a printer nozzle and a storage medium, and relates to the technical field of printer nozzle temperature control, temperature data is collected in real time through a distributed temperature sensor array, and PID parameters are adjusted by combining environment temperature and humidity and ink flow and utilizing a dynamic self-adaptive control algorithm model, so that the temperature of the printer nozzle is controlled. The method comprises feedforward control, partition gradient heating, a pulse type low-power-consumption heating mode and an abnormal temperature processing mechanism, precise control over the temperature of the spray head is achieved, the electronic equipment comprises a multi-sensor fusion module, a data processing module, a power driving module and a state monitoring module, efficient execution of a control strategy is ensured, and the control efficiency is improved. According to the method and the equipment, the control strategy is continuously optimized through the self-adaptive learning function, and the printing quality and the equipment stability are improved.

An inkjet ink contains a quinacridone pigment, a pigment dispersion resin, and an aqueous medium. The pigment dispersion resin includes an adsorption resin adsorbed to the quinacridone pigment and a non-adsorption resin not adsorbed to the quinacridone pigment. The non-adsorption resin has a percentage content in the pigment dispersion resin of at least 20% by mass and no greater than 50% by mass. A supernatant obtained by centrifugation of the inkjet ink at 1,050,000 G for 3 hours has a phosphorous concentration of at least 1.0 ppm and no greater than 6.0 ppm. The supernatant has a sulfur concentration of at least 1.0 ppm and no greater than 6.0 ppm.

The invention provides a pressure sensor based on silicon-silicon bonding and a preparation method thereof. The preparation method comprises the following steps: providing a low-resistance silicon wafer, forming a silicon deep hole in a first surface of the low-resistance silicon wafer, and depositing an isolation material in the silicon deep hole to form an isolation ring; etching the first surface to form a shallow groove and a conductive silicon column to obtain a low-resistance cap wafer; providing an SOI wafer, performing ion implantation on the first surface of the SOI wafer to form a resistance region, and obtaining a substrate wafer; bonding the low-resistance cap wafer with the substrate wafer; grinding the second surface of the low-resistance cap wafer until the isolating ring is exposed; depositing an insulating layer on the second surface of the low-resistance cap wafer, and forming a metal electrode on the insulating layer; and forming a back cavity structure on the second surface of the substrate wafer, exposing the top silicon of the SOI wafer, and forming a sensitive film layer. The conductive silicon column is made of low-resistance silicon, copper ion pollution is avoided, the preparation process is simple, and the period is controllable; the device obtained based on the silicon-silicon bonding process has high bonding strength and high air tightness.

The invention provides a chip assembly and a consumable box set, and relates to the technical field of printing imaging. The consumable box set is used for being in contact with contact pins of printing equipment and receiving printing signals, the printing equipment is provided with at least one first contact pin set and at least one second contact pin set, the first contact pin set and the second contact pin set are not overlapped, a first consumable box of the consumable box set is matched with the first contact pin set, the first consumable box is provided with a first electronic module, and the second consumable box is provided with a second electronic module. The first electronic module is electrically connected with at least one first contact part, and the first contact part is in contact with the first contact pin group to receive a first electric signal; the second consumable box is matched with the second contact pin group and is provided with a second electronic module, the second electronic module is electrically connected with the first electronic module, and the second electronic module receives the first electric signal through the first contact part. According to the invention, the risk of short circuit can be reduced, and normal use of the chip assembly is ensured.

The utility model provides a consumable chip, which comprises a switching chip and a first chip, the switching chip comprises a first surface and a second connecting surface, the first surface comprises a plurality of contact parts, the contact parts are electrically connected with printing equipment, the second connecting surface comprises a plurality of connecting parts, the contact parts are communicated with the connecting parts of the corresponding back surface, the first chip comprises a plurality of contacts, and the contacts are electrically connected with the printing equipment. The contact points comprise a first type of contact points corresponding to the at least one contact part and a second type of contact points staggered with the at least one contact part, the contact parts are electrically connected to the second type of contact points to obtain electric signals, and the at least one connecting part is connected with at least one part of the at least one contact point; a part of the contact portion on the first surface is in contact with a contact pin of the printing device, and / or at least a part of the contact point is in contact with the contact pin of the printing device. According to the consumable chip and the consumable box, a large number of low-value old-model chips can be recycled and converted into high-value consumable chips suitable for novel-model printing equipment.

The invention relates to a continuous ink-jet printing head for high-speed spraying, and solves the problems that an existing ink-jet printing head is small in single-time ink outlet amount, unstable in ink outlet amount and not suitable for being applied to large-scale dyeing. The device comprises a substrate, at least one chip is arranged on the surface of the substrate, the single chip is of an integral structure, a plurality of spray holes are formed in the surface of the chip, at least one pressure cavity is formed in the back face of the chip, and the spray holes are communicated with the at least one pressure cavity; the substrate is of an integral structure, a flow channel is formed in the substrate, an ink inlet is formed in the back face or the side face of the substrate, the flow channel is communicated with the ink inlet, and the flow channel is communicated with the pressure cavity; the spraying holes are uniformly formed in the first direction, and the minimum interval is P; the diameter of the spray hole is D and meets D2 / Pgt; and 3.0 microns. Compared with a traditional printing and dyeing method, the method has the advantages that a large amount of water resources are saved, wastewater discharge is reduced, energy consumption is greatly reduced, and the method is energy-saving, environment-friendly, green and low-carbon.

To provide a driving waveform providing system for providing a driving waveform suitable for an inkjet print head without need of performing discharge observation.SOLUTION: An inkjet print head driving waveform providing system according to an embodiment includes a communication unit that communicates with an external terminal via a cloud, and a response unit that creates response information for reception information received by the communication unit from the external terminal and provides the response information to the external terminal via the communication unit. The response unit provides response information of an interface that receives input of a parameter including a driving condition of an ink jet print head, an ejection request, and a physical property value of the ink to the external terminal via the communication unit in response to the reception information for requesting provision of the driving waveform of the ink jet print head. In response to the reception information of the parameter, the response unit derives the driving waveform from the parameter by driving waveform selection algorithm, and provides information of the driving waveform to the external terminal via the communication unit.SELECTED DRAWING: Figure 7

The utility model relates to a spray head for spraying a target object. The spray head comprises spray head units, and each spray head unit comprises a liquid supply unit used for supplying to-be-sprayed liquid to a flow channel; the flow channel is communicated with the flow channel connecting port of each capillary tube in the capillary tube group; the capillary tube group comprises a plurality of capillary tubes, each capillary tube comprises a main body part, a flow channel connecting port and a liquid outlet end, the liquid outlet end is located at one end of the main body part, a liquid outlet is formed in the liquid outlet end, and the shape and the size of the liquid outlet are configured to enable to-be-sprayed liquid to be output from the liquid outlet in a continuous output mode. According to the utility model, the manufacturing cost is lower, flying liquid discharge can be avoided, and the liquid spraying efficiency can be improved.

The utility model relates to a secondary ink cartridge assembly for a printer, which comprises a secondary ink cartridge body, the secondary ink cartridge body comprises an ink cartridge body and an ink cartridge cover which are mutually sealed and covered, a high-pressure ink cavity, a low-pressure ink cavity and a normal-pressure ink cavity are arranged in the ink cartridge body, and the high-pressure ink cavity, the low-pressure ink cavity and the normal-pressure ink cavity are respectively provided with a liquid level sensor. The high-pressure ink cavity is sequentially communicated with the printing spray head, the low-pressure ink cavity, the normal-pressure ink cavity, the second ink pump, the bubble removing device and the first ink pump, so that ink flows out of the high-pressure ink cavity, sequentially flows through the printing spray head, the low-pressure ink cavity, the second ink pump, the normal-pressure ink cavity, the first ink pump and the bubble removing device and then flows back into the high-pressure ink cavity, and therefore a self-circulation ink path is formed. According to the secondary ink box, ink between the secondary ink box body and the printing spray head keeps continuous circulating flow, precipitation is avoided, the temperature of the ink entering the printing spray head is appropriate and constant, the bubble content is small, the pressure fluctuation is small, and therefore the printing quality is higher, and the printing effect is better.

Building panels, especially laminated floor panels are shown, which are provided with a locking system and several core grooves at the rear side in order to save material and decrease weight. Building panels, each having a surface layer on a front side, a backing layer on a rear side and an intermediate core, wherein the intermediate core and the surface and the backing layer all comprise wood fibres and thermosetting resins, the building panels are provided with a locking system for vertical and horizontal locking of a first edge of a first building panel to an adjacent second edge of a second building panel.

The utility model provides a large-capacity thermal foaming ink box which comprises a shell, a large ink bag storage cavity used for storing ink is arranged in the shell, a plastic shell is installed on one side in the shell, an anti-corrosion upper small ink bag aluminum film is installed on the upper surface of the plastic shell, and a small ink bag filtering cavity is arranged in the plastic shell. The lower surface of the plastic shell is sunken upwards to form a lower small ink bag middle cavity, the upper surface of the plastic shell is sunken downwards to form an upper small ink bag middle cavity, and a control piece used for controlling connection and disconnection of the lower small ink bag middle cavity and the upper small ink bag middle cavity is installed between the lower small ink bag middle cavity and the upper small ink bag middle cavity. A communication hole is formed between the small ink bag jet printing cavity and the middle cavity of the lower small ink bag, an ink box spray head is installed on one side, close to the plastic shell, of one side face of the outer shell, and a small ink bag conveying channel is installed between the ink box spray head and the small ink bag jet printing cavity. It is greatly guaranteed that ink is stored in the ink box and does not leak.

The invention relates to the technical field of electrofluid ink-jet printing, and particularly provides an electrofluid ink-jet printing system, which comprises an ink storage assembly, a printing assembly and a printing assembly, the metal spray head is made of shape memory alloy, and an ink flow channel is arranged in the metal spray head; the electric field generation assembly is arranged on one side of the metal nozzle; the heating assembly is arranged on one side of the metal nozzle; the image acquisition assembly is used for acquiring ink droplet image information including the ink droplets ejected by the metal nozzle; the controller is used for acquiring ink droplet edge characteristics according to the ink droplet image information, analyzing whether the metal nozzle is blocked or not according to the ink droplet edge characteristics, controlling the heating assembly to heat the output end of the metal nozzle when analyzing that the metal nozzle is blocked, and controlling the electric field generation assembly to enhance the electric field generated by the electric field generation assembly at the same time; the system can effectively solve the problem that the printing effect of follow-up electrofluid ink-jet printing is affected due to the fact that the spray head is damaged due to the fact that the voltage used for impacting blockages is too large.

A cartridge includes a liquid accommodating portion configured to accommodate liquid, a supply port member having a supply port that communicates with the liquid accommodating portion and supplies the liquid to an outside of the liquid accommodating portion, a sealing member having a first sealing portion provided on an inner peripheral surface of the supply port, and a second sealing portion provided on an outside of the supply port and configured integrally with the first sealing portion, and a covering member configured to cover a portion of an opening surface of the supply port from the outside of the supply port. The second sealing portion seals between the supply port member and the covering member on the outside of the supply port.

The embodiment of the invention provides a printing nozzle cleaning system and a printer, and relates to the technical field of printers. The printing nozzle cleaning system comprises a printing nozzle and an ink stack, wherein the printing nozzle can move to the upper side of the ink stack; the device is characterized by further comprising a first pump machine and a second pump machine, and the first pump machine and the second pump machine are respectively connected with the ink stack. Wherein the first pump machine is used for conveying ink or cleaning fluid to the ink stack, and the second pump machine is used for pumping the ink away from the ink stack. According to the printing nozzle cleaning system, the ink can generate shear force and local pressure difference in the flowing process by controlling the ink to form convection in the printing nozzle, so that cured ink and tiny impurities attached to the surface of the nozzle and the inner wall of a hole channel are weakened and stripped.

An ink-ejection-malfunction-nozzle detecting unit sets nozzle groups such that each nozzle group includes nozzles with a first interval, prints a first test pattern that includes first bands (including thin lines) corresponding to the nozzle groups, sets nozzle subgroups such that each nozzle subgroup includes nozzles with a second interval in each of the nozzle groups, prints a second test pattern that includes second bands (including thin blank lines) corresponding to the nozzle subgroups such that a correction process is performed for adjacent pixels of the thin blank lines, detects a first band including density defect in a scanned image of the first test pattern, detects a second band not including density defect in a scanned image of the second test pattern, correspondingly to the detected first band, and detects an ink ejection malfunction nozzle on the basis of the thin blank line in the detected second band.

The invention discloses a batch processing technology of micro-fluidic chips, and relates to the technical field of chip processing. The method comprises the following steps: firstly, providing at least two layers of polymer coiled materials, namely a first coiled material for forming a micro-channel structure and a second coiled material for closing a micro-channel, the coiled materials are continuous coiled materials selected from polyethylene glycol terephthalate (PET), cycloolefin polymer (COP), polycarbonate (PC) or polymethyl methacrylate (PMMA), and the coiled materials are continuous coiled materials selected from polyethylene glycol terephthalate (PET), cycloolefin polymer (COP), polycarbonate (PC) or polymethyl methacrylate (PMMA); the thickness of the coiled material is 50-500 microns; secondly, carrying out continuous compression molding processing on the surface of the first coiled material through a roll-to-roll processing platform; through a roll-to-roll continuous process, micro-channel mold pressing, functional deposition, precise alignment bonding and online cutting are integrated, high-efficiency, high-consistency and high-integration-level batch manufacturing of the micro-fluidic chip is realized, and manual intervention and production cost are remarkably reduced.

The utility model relates to a waste ink collecting box and a printing device. The waste ink collecting box comprises a body, the body is provided with a containing cavity, and the body is provided with a liquid inlet part, a liquid discharging part and a deformable first isolation piece. The first isolation piece is located in the containing cavity and divides the containing cavity into a first cavity body and a second cavity body. The liquid inlet part is communicated with the first cavity, and the liquid discharge part is communicated with the second cavity. The first chamber is used for collecting waste liquid, and the second chamber is used for storing maintenance liquid. And when the maintenance liquid in the second cavity is discharged outwards through the liquid discharge part, the first isolation piece is deformed under the negative pressure action of the second cavity, so that the volume of the second cavity is reduced, and the volume of the first cavity is increased. The waste ink collection box not only can meet the collection of waste liquid, but also can store the maintenance liquid, and can increase the volume of the first cavity after the maintenance liquid is discharged so as to contain more waste liquid, so that the overall size can be reduced, the structure is more compact, and the cost can be reduced.

To solve a problem that a time for moving a shutter may be needed when flushing is performed.SOLUTION: An recording device 1 includes: a recording head 40 which discharges an ink to a medium P from a plurality of nozzles 44 provided on a discharge surface 42a to perform recording; a cap part 61 capable of covering the discharge surface 42a; and a shutter 51 which may be displaced between a shield position where the shutter 51 covers the cap part 61 separated from the discharge surface 42a and an open position where the shutter 51 opens the cap part 61. The shutter 51 has: a facing surface 51a facing the discharge surface 42a in the shield position; and a discharged area DA where the ink is discharged from the nozzles 44 as flushing and which is provided on the facing surface 51a.SELECTED DRAWING: Figure 11

The invention relates to an electrofluid nozzle flexible in ink supply, a jet printing device and an ink-jet printing system, and the electrofluid nozzle comprises a main body part which is internally provided with a liquid outlet hole; the needle head is detachably connected to the bottom end of the main body part, and the needle head communicates with the liquid outlet hole; the conveying assembly comprises a conveying driving assembly and a spiral conveying shaft, the spiral conveying shaft penetrates through the liquid outlet hole, a spiral conveying channel is formed between the spiral conveying shaft and the hole wall of the liquid outlet hole, and the conveying driving assembly drives the spiral conveying shaft to rotate; the liquid supply assembly comprises a liquid supply cylinder and an air supply mechanism, the liquid supply cylinder is used for storing functional liquid and communicates with the spiral conveying channel, and the air supply mechanism is used for supplying air into the liquid supply cylinder; and the power supply assembly is electrically connected with the needle head. The speed of the functional liquid supplied to the needle head is adjusted by changing the rotating speed of the spiral conveying shaft, meanwhile, the air pressure in the air supply cylinder is adaptively adjusted, the voltage applied to the needle head is adjusted and controlled in combination with the power supply assembly, and therefore the injection requirements of needle heads with different needle tip sizes are met.